1. (v. i.) To emit air, chiefly through the nose, audibly and violently, by a kind of involuntary convulsive force, occasioned by irritation of the inner membrane of the nose.

2. (n.) A sudden and violent ejection of air with an audible sound, chiefly through the nose.

Aqua-Lung artificial respiration aspiration assibilate assibilation asthmatic wheeze blow breath breath of air breathe breathe hard breathe in breathe out breathing broken wind buzz cough effervesce effervescence effervescing exhalation exhale exhaust expel expiration expire exsufflation fizz fizzle fizzling frication frictional rustling gasp gulp hack hiccup hiss hissing huff hush hushing inhalation inhalator inhale inspiration inspire insufflation iron lung lisp mouth-to-mouth resuscitation oxygen mask oxygen tent pant puff respiration respire rhonchus scuba shush shushing sibilance sibilate sibilation siffle sigh sigmatism siss sissing sizz sizzle sizzling sneer sneeze at sneezing sniff sniffle snore snoring snort snuff snuffle spit splutter sputter squash squelch squish sternutation stertor suspiration swish wheeze whish whistle whistling white noise whiz whoosh wind zip